Home / 18,155.21-25,054.29-10,197.44

Finding the Fourth Proportional to 18,155.21, 25,054.29 and 10,197.44

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Solution

The fourth proportional to 18,155.21, 25,054.29 and 10,197.44 is: 14,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.21 : 25,054.29 = 10,197.44 : x
  2. Step 2: Convert to fraction form
    18,155.21/25,054.29 = 10,197.44/x
  3. Step 3: Cross multiply
    18,155.21x = 25,054.29 × 10,197.44
  4. Step 4: Simplify right side
    18,155.21x = 255,489,619.02
  5. Step 5: Solve for x
    x = 255,489,619.02/18,155.21
  6. Step 6: Final answer
    x = 14,072.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.